Socioeconomic status and trends in risk factors for cardiovascular diseases in the Danish MONICA population, 1982–1992
Merete Osler, Lars Ulrik Gerdes, Michael Davidsen, Henrik Brønnum-Hansen, Mette Madsen, Torben Jørgensen, Marianne Schroll
Journal of Epidemiology & Community Health Feb 2000, 54 (2) 108-113; DOI: 10.1136/jech.54.2.108